Questions tagged [hardware-raid]
RAID solution with hardware assistance. RAID parity calculations can be performed by either the main CPU, or by a separate processor on the RAID controller card.
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What is the purpose/function of Drive Cache? [closed]
What is "Drive Cache" in RAID and should I use it? I'm getting mixed info online I just want one answer so I know if to enable it or leave it on default disabled.
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perccli: How to check the pdcache status for a virtual drive?
The perccli utility (doc page) has an option to set the "pdcache" option, where pdcache means physical drive cache (although I can't find where that's actually defined). From the docs, the ...
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PERC H710 says “Update key missing”
I currently scavenged a thrift shop in japan and picked up a working mint condition poweredge T110 II. It’s already been powered up and have ESXi on it. I recently bought a PERC H710 by LSI to upgrade ...
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RAID with different drive types possible?
In a high density storage server, which is in a RAID array, do all drives have to be of same type. Such as a mix of drives SSD, SATA? In a RAID array most controller require only that all drives be of ...
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is possible to combine two raids groups in one logical drive
i have server with raid card support 8 disk drive and and created raid. but to to large data storage getting full. so i want to know if i add another raid card with same model and capacity. and create ...
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Disk pair not usable after moving from hardware RAID (Windows) to software RAID (Linux)
A long time ago I created a RAID1 pair from the boot menu of a JMicron JMB363 card. All was working fine under Windows and the RAID1 array was recognized as a single disk. I don't remember exactly how ...
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Adaptec ASR-6805T can create raid from ssd only?
I'm about to move my Proxmox home server from NAS to RAID 10. I'm a hardware RAID fan, so I chose a solution among inexpensive old controllers. In the course of studying budget solutions for the home, ...
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Extend RAID volume size with storcli
I have RAID1 on 2*240GB HDD , witch i changed with 480GB SSD's.
I changed disk 1 , wait for RAID to rebuild, and then change the other. Now I have 240GB RAID over 480GB disks, and cant find a way to ...
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How to force array rebuild on HP smart array (ssacli)
i recently replaced a failed drive on my HW RAID 5 array in my home server. i am running a custom built machine (read: built from whatever parts i thought might fit together). the HW RAID controller ...
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HP DL360e Gen 8 b320i raid controller with any linux distro not detecting RAID with SSD
I would need some help with an HP DL360e to install ssd's using the b320i raid controller. I prefer using the controller over software raid, unless I really have to.
I tried the latest Debian and ...
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Server Drive issue
My server was not working at all since yesterday, when DC intervention complete they told that one of the drive is defected.
I am using 4x 2To HDD SATA Soft RAID
After they checked and online the ...
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How to have a RAID1 accessible from both Ubuntu and Windows?
This topic has been discussed many times, but i didn't find anything specific to my situation.
I would like to create a RAID1 with 2 sata drives (same brand, model,capacity). My objective is to have ...
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Flash Crucial SSD firmware through PERC 730P Mini RAID controller
We've got a number of Crucial drives in Dell r630 servers with PERC 730P Mini RAID controllers that need their firmware updating as they're still on version M3CR032 with the known issues.
The servers ...
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HP SmartArray: how to extend a fully populated RAID1+0
I have a bunch of machines with HPE Smart Array P408i-a controllers and fully populated drive bays, and I was wondering if there is a way to extend the arrays without dissolving them and reinstalling ...
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Running xfs_repair on hardware raid while still rebuilding?
Should I allow a hardware raid5 array rebuild to complete after swapping out a drive PRIOR to running an xfs_repair on the volume?
Currently xfs_repair keeps failing in Phase 7 at the same spot:
Phase ...
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Show raid controller firmware version from Linux
I'm trying to find out the firmware version of my RAID controller on CentOS 7.9.
Here is my RAID controller :
# lspci -d::104 -m
02:00.0 "RAID bus controller" "Broadcom / LSI" &...
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HDD vs SSD for mongodb database server
I am setting up a physical server for an application that we have developed, the purpose of this server is to run the server's own software and store its database (mongodb).
On the server machine we ...
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Unable to Install Linux Mint on RAID
Second week now than I'm trying to setup Linux Mint on software RAID5 without success.
I'm able to setup the software RAID5 on the live CD with three 240GB SSD, then the installation setup fails to ...
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Supermicro won't boot from RAID virtual drive after a power outage
One of our Supermicro servers won't boot from the virtual drive on a MegaRAID SAS 9361-8i after a power outage.
It can still boot from a USB stick without trouble, all hard drives and
file systems ...
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HP ProLiant DL380e Gen8 - Cant Access Raid Controller
i have a HP ProLiant DL380e Gen8 Server with ah P420 Raid Controller. I have configured Raid 5 with 3 Disks. I want to expand the Raid with 2 more Disks. But i cannot access the Raid Controller -> ...
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ESXi does not show drives for second RAID controller with NVMe drives
I got a second RAID controller (AVAGO 9440-8i) to put in my Dell T440 server (first RAID controller is a H740P). I got the Broadcom U.2 enabler cable and two WD Gold 2TB drives.
I've updated ESXi, the ...
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How does RAID0 affect IOPS performance for NVMe SSDs?
I have an application which needs to read large amounts of small and randomly distributed entries from storage. To improve the performance I am considering to install a specialized hardware RAID ...
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Server motherboard died and took Intel RAID controller configuration with it. How do I recover the data?
Old server using a S1200BTS Intel mobo died and has been sitting in a closet for several years. I replaced the motherboard and found that it was originally configured using an onboard hardware raid ...
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megacli cant configure jbod slot num all the same
I am trying to add a bunch of JBOD disks to my home server, I have a SAS expanded card and have added 4 x 2TB disks which can be seen as separate devices (37-40); but I can't set them to JBOD using.
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Operation not allowed when running `sudo storcli /c0 /e252 /s1 set good`
I have a server with a LSI card running with RAID5. Recently the card sounded an alarm and it seems there is a problem with one of the drives.
----------------------------------------------------------...
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Perc H740P: raid5 volume split into two foreign configurations, cannot import
After a power supply replacement we had a cabling issue which caused some disks to be missing, after debugging and fixing this in the BIOS, on the first boot, the preexisting raid5 volume was split ...
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Restoring Win server 2008 from full back up?
I'm having trouble of restoring win server 2008, can anyone help me.
First of all, i got the Power Edge 2900 running raid 1 with 3 disk. Power outage happend, and 2 disks are gone -slot0 and slot1 (...
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Are affordable hardware raids with BBU still worth it?
We have done a lot of research and got conflicting answers from experts. What is your opinion on the following?
14 x 16 TB HDDs (Raid 10 -> 100 TB usable)
HW: SGL 8405 + AEC-82885T + BBU (...
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How to properly design a 300TB array?
I'm trying to figure out good practices for building a large 300TB array. Performance is not a priority, only the 300TB usable storage target plus redundancy. And yes I will be taking backups.
My ...
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Using a RAID Controller as Pass-thru vs RAID0
I have a server with DellPerc H750 Storage controller.
I want to use the controller as Pass-thru/Non-RAID but I have the below questions:
A) Is it possible in the future to replace the controller ...
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Adaptec 6805 accessing to JBOD with GPT / NTFS
I have several hard drives with GPT and NTFS volumes, and I plugged them to an Adaptec 6805 but The volumes are not visibles from Windows 10 and from MaxView. The only option I have ti to initialize (...
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Is it best to have the OS on a separate virtual disk?
I have a server with 8 drive bays, and I have eight 4TB drives. Would it be best to do one RAID10 with all drives, or one RAID1 with two drives and then a RAID10 with the remaining six so that the ...
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One bad sector causes the whole RAID0 to fail? [closed]
In our server, we have four SSDs. The first one is for OS, and the remaining three are for RAID0.
Today, the disk mount corresponding to RAID0 suddenly goes missing. When I check the disks, the 3rd ...
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how does a striped RAID work with large number of disks?
still trying to configure my large (24) array of disks (2.4TB) for an archive/nas of mixed huge and small files. But apart from this, I am now more focused to understand how striped RAIDs work under ...
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smartctl "Elements in grown defect list" vs. RAID controller "Media error count"
I am using a hardware raid50 with PERC810 controller in my server and recently encountered a metric I am not sure about. Until now, I have been using a smartctl metric "Elements in grown defect ...
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Dell PERC H750 compatibility with Debian
I've been using Debian on Dell servers for many years.
For a long time I've been using the PERC H730P RAID controller, which is well supported by utilities like MegaCLI.
Recently I've bought a R440 ...
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Three Single drive Raid 1 vs JBOD
I have an intel server of which the RAID Controller does not support JBOD mode (same problem as my Dell R820s).
But I want to do Ceph, so I "need" a JBOD. So I set my 3 SSDs as single drive ...
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How to configure notification on degraded RAID? [closed]
I am planning a RAID1(mirror) array in a NAS using either a Hardware or Software RAID controller using Linux.
Though I did not find any documentation in which way the system will notify me that the ...
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Passing a raid controller to a KVM vm using PCI passthrough, CPU soft lockup
I have a Debian 10 host server, and an Ubuntu 20.04 guest with KVM. The Ubuntu server is created with virt-install and works as intended after install. I'm trying to use PCI passthrough to pass a raid ...
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Windows RAID drive performance suddenly dropped
I have a Windows system that has as a data drive, one RR640L controller. Attached to this controller are four 2TB drives in a RAID5 configuration (2 Seagate ST2000VN000 and 2 Samsung HD203WI).
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Need to recover RAID 6 array
By definition
RAID 6 is an array of independent hard drives equipped with two
independent and distributed checksum schemes
Does that mean I can recover each of the hard drives one by one using ...
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Can we connect two raid controllers in standby?
I'm new to server machines and even even installing raid controllers, so pardon me if its too basic question.
We have a SuperMicro X10DRH-I Motherboard connected to a raid controller AOC-S3108L-H8Ir, ...
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Can we move the RAID array from one HP Server models to another HP models or one RAID controller model to another Controller model
In case my HP Proliant DL380 G6 & G7 failed, can I swap all HDD to HP Proliant DL380 G9.
HP Proliant DL380 G7 is using the different controller (HP Smart Array Controllers P410i) and HP Proliant ...
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Mounting 32Tb RAID Volume Causes Server To Crash
I have a 32Tb NTFS RAID 5 volume. 5x8tb SATA, LSI 9361i+Supercap.
Was working fine until it started behaving strange on day - drive name vanished and data seemed to vanish. Then rebooted, Windows 10, ...
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HPE SSA: After completing the configuration - reboot the system
From the HPE ProLiant System Utilities (BIOS) I booted into HPE Smart Storage Administrator (SSA) to migrate a logical drive with RAID6 (and existing data) to RAID5. After starting the migration task, ...
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MegaCLI not seeing RAID card (LSI 9271-4i)
I have a server with LSI 9271-4i card and 4 HDDs. One day the server started malfunctioning and it wouldn't list any drive information. I rebooted the server and it never came up, so I have been using ...
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How do I expand my VD on LSI 9361-16i?
I've got a 9361-16I installed in a supermicro sc847. I have the 2 expanders running in a cascaded configuration with both of them chaining off port 0-4 of the card. They are being exposed as enclosure ...
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Setting up raid hardware with out deleting data
so I have a home lab, and in the beginning, I started with only 1 DISK, and in the raid config, I bypassed the raid because I didn't have 2 disks to make a RAID 10 or 1, but now, I want some ...
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How is RAID3/4 is implemented for more than 4 drives?
I understand that, RAID 3/4 for 4 drives is: Parity Drive = D1 XOR D2 XOR D3. But what is there 5 drives or more? For example 5 or 6. How many parity drives is needed, and how XOR algorithm is working ...
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Areca RAID controller, always runs check after reboot
In the machine where I keep the backups for when a datacenter burns down I have an older Areca RAID controller (ARC-1231ML).
For some reason, it always runs a check on all volumes directly after ...
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